Besides Google Drive App, Dropbox is a great cloud storage platform that you can use for free. When you sign up you get 2GB of space for free and you can upgrade for more. Dropbox lets you save all your pictures, files, and documents into easily arranged folders and access them anywhere you are with internet connection and across different devices. its syncing capabilities are also great.

This list would not be complete without Evernote. This app is definitely a must have. It allows you to take notes on the go and sync them across different devices and platforms. Evernote is also a wonderful bookmarking tool that you can use to save and curate web content.

This is the official Gmail app for iPad. The new update brought to Gmail app some new useful functionalities including: multiple account support, real time notification, and search across the entire inbox.

This is a wonderful app for digital handwriting. It allows you to handwrite on your iPad, take notes, write on pictures, zoom in on a spot and illustrate it. When you are done you can store your note into your Evernote account and access it from anywhere with internet connection.

Flipboard is a great personal magazine. You can use it to catch up on the news you care abut. You can add popular publications like New York Times or add the feeds of your favourite websites and blogs. Flipboard also enables you to stay updated about the news and feeds coming from your social media networks like Facebook, Twitter, Thumblr, and Instagram and all in a beautiful magazine style experience.

This is the app I use to illustrate pictures I take with my iPad camera. Skitch allows you to capture a picture or use the ones you have in your camera roll and write or draw on them before sharing them with others.